:root {
    --bg-color: #050a14;
    --bg-secondary: #0f1623;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --border-color: #1f2937;
    --card-bg: rgba(31, 41, 55, 0.4);
    --card-border: rgba(255, 255, 255, 0.1);
    --gradient-1: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(5, 10, 20, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.5);
}

.btn-primary:hover {
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.6);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
}

/* Language Dropdown */
.lang-dropdown {
    position: relative;
    display: inline-block;
}

.btn-lang {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-lang:hover,
.btn-lang:focus {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--accent-color);
}

.btn-lang i {
    color: var(--accent-color);
}

.lang-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 0.5rem;
    min-width: 180px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
    display: none;
    z-index: 1000;
}

.lang-menu.show {
    display: block;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.lang-option:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.lang-option.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-color);
    font-weight: 600;
}

.lang-option i {
    opacity: 0;
    font-size: 0.8rem;
    color: var(--accent-color);
}

.lang-option.active i {
    opacity: 1;
}

/* Hero Section */
#hero {
    padding: 160px 0 100px;
    position: relative;
    text-align: center;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(5, 10, 20, 0) 70%);
    transform: translateX(-50%);
    z-index: -1;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.highlight {
    background: var(--gradient-1);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.description {
    max-width: 600px;
    margin: 0 auto 2.5rem;
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Services Section */
#services {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 3rem;
    border-radius: 16px;
    transition: transform 0.3s ease, border-color 0.3s ease;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 320px;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.icon-wrapper {
    width: 50px;
    height: 50px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
    font-size: 1.5rem;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* About & Process Section */
#about {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-content h2,
.process-content h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.benefits-list {
    list-style: none;
}

.benefits-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.benefits-list li i {
    color: var(--accent-color);
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.step {
    display: flex;
    gap: 1.5rem;
}

.step-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: rgba(59, 130, 246, 0.5);
    font-family: monospace;
}

.step-info h3 {
    margin-bottom: 0.25rem;
    font-size: 1.125rem;
}

.step-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Contact Section */
#contact {
    padding: 100px 0;
}

.contact-wrapper {
    background: var(--gradient-1);
    border-radius: 24px;
    padding: 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-text h2 {
    margin-bottom: 1.5rem;
}

.contact-text p {
    opacity: 0.9;
    font-size: 1.125rem;
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: white;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: white;
}

.contact-form button {
    width: 100%;
    background: white;
    color: var(--accent-color);
}

.contact-form button:hover {
    background: #f3f4f6;
    color: var(--accent-hover);
    transform: translateY(-2px);
}

/* Footer */
footer {
    padding: 2rem 0;
    text-align: center;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
        /* simple mobile hide for now */
    }

    .about-grid,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }

    .contact-wrapper {
        padding: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }
}